Check engine light came on and i got code PO456, EVAP small leak detection, probable causes
1-defective, loose, or missing fuel cap
2- evap canister broke, hose cracked or not connected
3-purge or vent solenoid defective
4-vacuum leak at engine
is this a common problem? does anyone know what i should check first?
its a 05 edge with the 3.0 and k&n fipk kit on it.....thanks for any help